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sveta [45]
3 years ago
12

Describe what a planetesimal is. Is it related to a protoplanet?

Physics
1 answer:
zheka24 [161]3 years ago
4 0

Answer:

A planetesimal is an object formed from dust, rock, and other materials. The word has its roots in the concept infinitesimal, which indicates an object too small to see or measure. Planetesimals can be anywhere in size from several meters to hundreds of kilometers.

Protoplanets are thought to form out of kilometer-sized planetesimals that gravitationally perturb each other's orbits and collide, gradually coalescing into the dominant planets.

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Answer:

5s

Explanation:

because m/s=s/t so,

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t=10m/0.5m/s

t=5sec

5 0
10 months ago
a racing car undergoes a uniform acceleration of 4.00m/s2. if the net force causing the acceleration is 3.00 times 10^3 N, what
yKpoI14uk [10]

Answer: 750Kg

Explanation:

Recall that force is the product of the mass M, of an object moving at a uniform acceleration.

i.e Force = Mass x Acceleration

In this case, Mass = ?

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Mass = (3000N/4.00m/s^2)

Mass = 750Kg (The SI unit of mass is kilograms)

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4 0
3 years ago
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The heavier the load in a cart, the harder the cart is to turn.

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3 years ago
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An object has a mass of 50.0 g and a volume of 10.5 cm3. What is the object's density?
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